Masao Ota

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Patents Grantslast 30 patents

Information Patent Grant
CATV transmission center apparatus, subscriber terminal device, CAT...
- Patent number 6,198,478
- Issue date Mar 6, 2001
- Fujitsu Limited
- Masao Ota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Two-way communication system
- Publication number 20020062483
- Publication date May 23, 2002
- Masayuki Ishizaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE